Procedure
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Pre-test/operation conditions
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Test/operation
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Judgment value
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Check item
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Diagnosis code No.
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Inspection procedure if there is an abnormality
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1
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Ignition switch: LOCK (OFF) position
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Ignition switch (1) ON
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Data List No.8
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A/T control relay
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P1788
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A/T control relay system
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2
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Ignition switch: ON Engine: Stopped Selector lever position: P
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Selector lever position
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Data List No.34
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Inhibitor switch
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P1770, P1771
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Inhibitor switch system
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Selector lever position
(1) D (2) Select the sport mode (3) Upshift and hold the selector lever in that position (2nd gear) (4) Downshift and hold the selector lever in that position (1st gear)
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Data List No.27
(1) OFF (2) ON (3) ON (4) ON
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Select switch
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-
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Sport mode switch system
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Data List No.28
(1) OFF (2) OFF (3) ON (4) OFF
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Upshift switch
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Data List No.29
(1) OFF (2) OFF (3) OFF (4) ON
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Downshift switch
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Shift indicator lamp
(1) Only D illuminates (2) Only 1 illuminates (3) Only 2 illuminates (4) Only 1 illuminates
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Shift indicator lamp
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Accelerator pedal
(1) Fully closed (2) Depressed (3) Fully opened
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Data List No.2 <4M41>
(1) 700 - 1,300 mV (2) Gradually increases from (1) (3) 4,000 mV or more
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APS
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Refer to GROUP 13D - Troubleshooting .
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Data List No.2 <6G7>
(1) 300 - 700 mV (2) Gradually increases from (1) (3) 4,000 - 4,800 mV
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APS
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Refer to GROUP 13A - Troubleshooting <6G72>
or GROUP 13B - Troubleshooting <6G75>.
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Brake pedal
(1) Depressed (2) Released
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Data List No.19
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Stop lamp switch
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P1769
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Stop lamp switch system
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Transfer shift lever position
(1) Except for 4LLc (2) 4LLc
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Data List No.31
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4LLc detection switch
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-
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4LLc detection switch system
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3
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Ignition switch: START
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Starting test at P or N position
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Starting should be possible
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Starting possible/not possible
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-
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Starting not possible
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4
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Driving after engine has warmed up
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Drive for 15 minutes or more until the A/T fluid temperature rises
to 70 - 80°C.
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Data List No.7 Gradually rises to 70 - 80°C
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A/T fluid temperature sensor
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P1763, P1764
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A/T fluid temperature sensor system
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5
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Engine: idle Selector lever position: N
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Brake pedal
(1) Depressed (2) Released
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Data List No.19
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Stop lamp switch
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P1769
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Stop lamp switch system
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A/C switch
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Data List No.21
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A/C compressor relay
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-
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-
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Accelerator pedal
(1) Fully closed (2) Depressed
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Data List No.1
(1) The engine speed displayed on the tachometer is
identical to the engine speed displayed on M.U.T.-III. (2) Gradually increases from (1)
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Crank angle sensor <4M41, 6G7>
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-
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Refer to GROUP 13A - Troubleshooting <6G72>, GROUP
13B - Troubleshooting <6G75> or GROUP 13D - Troubleshooting <4M41>.
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Selector lever position
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No abnormal shock during shifting Within 2 seconds of time lag
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Malfunction when starting off
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-
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Engine stalls during shifting
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-
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N to D shocks, large time lag
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-
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N to R shocks, large time lag
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-
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N to D, N to R shocks, large time lag
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Driving not possible
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-
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Does not move forward
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-
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Does not reverse
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-
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Does not move (forward or reverse)
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6 <4A/T>
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Selector lever position: Sport mode (Must be done
on a level and straight road.)
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Selector lever position and vehicle speed (Each condition
should be maintained for 10 seconds or more.)
(1) Engine idling in 1st gear (vehicle stopped) (2) Driving at constant speed of 10 km/h in 1st gear (3) Driving at constant speed of 20 km/h in 2nd gear (4) Driving at constant speed of 40 km/h in 3rd gear (5) Driving at constant speed of 60 km/h in 4th gear
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Data List No.11
(2) 1st (3) 2nd (4) 3rd (5) 4th
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Shift position
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-
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-
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Data List No.12
(2) 0% (3) 100% (4) 100% (5) 100%
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LR solenoid valve duty %
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P1773
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LR solenoid valve system
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Data List No.13
(2) 0% (3) 0% (4) 0% (5) 100%
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UD solenoid valve duty %
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P1774
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UD solenoid valve system
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Data List No.14
(2) 100% (3) 0% (4) 100% (5) 0%
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2NDsolenoid valve duty %
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P1775
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2ND solenoid valve system
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Data List No.15
(2) 100% (3) 100% (4) 0% (5) 0%
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OD solenoid valve duty %
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P1776
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OD solenoid valve system
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Data List No.5
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Input shaft speed sensor
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P1766
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Input shaft speed sensor system
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Data List No.6
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Output shaft speed sensor
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P1767
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Output shaft speed sensor system
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6 <5A/T>
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Selector lever position: Sport mode (Must be done
on a level and straight road.)
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Selector lever position and vehicle speed (Each condition
should be maintained for 10 seconds or more.)
(1) Engine idling in 1st gear (vehicle stopped) (2) Driving at constant speed of 10 km/h in 1st gear (3) Driving at constant speed of 20 km/h in 2nd gear (4) Driving at constant speed of 40 km/h in 3rd gear (5) Driving at constant speed of 60 km/h in 4th gear (6) Driving at constant speed of 70 km/h in 5th gear
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Data List No.11
(2) 1st (3) 2nd (4) 3rd (5) 4th (6) 5th
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Shift position
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-
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-
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Data List No.12
(2) 0% (3) 100% (4) 100% (5) 0% (6) 0%
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LR solenoid valve duty %
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P1773
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LR solenoid valve system
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Data List No.13
(2) 0% (3) 0% (4) 0% (5) 0% (6) 100%
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UD solenoid valve duty %
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P1774
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UD solenoid valve system
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Data List No.14
(2) 100% (3) 0% (4) 100% (5) 100% (6) 0%
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2NDsolenoid valve duty %
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P1775
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2ND solenoid valve system
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Data List No.15
(2) 100% (3) 100% (4) 0% (5) 0% (6) 0%
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OD solenoid valve duty %
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P1776
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OD solenoid valve system
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Data List No.16
(2) 0% (3) 0% (4) 0% (5) 100% (6) 100%
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RED solenoid valve duty %
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P1777
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Reduction solenoid valve system
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Data List No.5
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Input shaft speed sensor
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P1766
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Input shaft speed sensor system
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Data List No.6
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Output shaft speed sensor
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P1767
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Output shaft speed sensor system
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7
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Selector lever position: Sport mode (Must be done
on a level and straight road.)
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Selector lever position and vehicle speed
(1) Driving at constant speed 100 km/h in
4th gear (2) Driving at 100 km/h in 4th gear, then fully close the accelerator pedal
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Data List No.17
(1) 70 - 99.6% (2) 70 - 99.6% to 0%
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DCC solenoid valve duty %
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P1778, P1786, P1787
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DCC solenoid valve system
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Data List No.10
(1) -10 to 10 r/min (2) The value changes from (1)
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DCC amount of slippage
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8 <4A/T>
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Suspends the INVECS-II function using M.U.T.-III <6G72> Selector lever position: D (Must be done on a level and straight road)
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(1) Accelerate
to 4th range at an APS or LPS output of 1.5 V (opening angle 20%). (2) Slowly decelerate and stop. (3) Accelerate to 4th range at an APS or LPS output of 2.5 V (opening angle 50%).
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Data List No.2, 6 The shifting points correspond with the M.U.T.-III display and the APS or LPS voltage
(opening angle) and output shaft speed, which are described in the shift pattern.
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Problem during shifting
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-
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Shocks, engine racing
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Incorrect shift points
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-
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All points
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-
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Some points
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No shifting
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-
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No diagnosis codes
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P1766
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Input shaft speed sensor system
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P1767
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Output shaft speed sensor system
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8 4A/T
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Suspends the INVECS-II function using M.U.T.-III <6G7> Selector lever position: D (Must be done on a level and straight road)
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(1) Accelerate
from 1st gear to 4th gear. (2) Downshift to 3rd gear at speed of 50 km/h in 4th gear. (3) Downshift to 2nd gear at speed of 30 km/h in 3rd gear. (4) Downshift to 1st gear at speed of 20 km/h in 2nd gear.
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Data List No.11
(1) 1st → 2nd → 3rd → 4th (2) 4th → 3rd (3) 3rd → 2nd (4) 2nd → 1st
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No shifting from 1st to 2nd, or no shifting from 2nd to
1st
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P1773
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LR solenoid valve system
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P1775
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2ND solenoid valve system
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P1779
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1ST without completion of shifting
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P1780
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2ND without completion of shifting
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No shifting from 2nd to 3rd, or no shifting from 3rd to
2nd
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P1775
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2ND solenoid valve system
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P1776
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OD solenoid valve system
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P1780
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2ND without completion of shifting
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P1781
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3RD without completion of shifting
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No shifting from 3rd to 4th, or no shifting from 4th to
3rd
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P1773
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UD solenoid valve system
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P1777
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2ND solenoid valve system
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P1781
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3RD without completion of shifting
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P1782
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4TH without completion of shifting
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8 <5A/T>
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Suspends the INVECS-II function using M.U.T.-III Selector lever position: D (Must be done on a level and straight road)
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(1) Accelerate
to 5th range at an APS output of 1.5 V (opening angle 20%). (2) Slowly decelerate and stop. (3) Accelerate to 5th range at an APS output of 2.5 V (opening angle 50%).
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Data List No.2, 6 The shifting points correspond with the M.U.T.-III display and the APS voltage (opening
angle) and output shaft speed, which are described in the shift pattern.
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Problem during shifting
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-
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Shocks, engine racing
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Incorrect shift points
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-
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All points
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-
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Some points
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No shifting
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-
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No diagnosis codes
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P1766
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Input shaft speed sensor system
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P1767
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Output shaft speed sensor system
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8 <5A/T>
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Suspends the INVECS-II function using M.U.T.-III Selector lever position: D (Must be done on a level and straight road)
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(1) Accelerate
from 1st gear to 5th gear. (2) Downshift to 4th gear at speed of 60 km/h in 5th gear. (3) Downshift to 3rd gear at speed of 50 km/h in 4th gear. (4) Downshift to 2nd gear at speed of 30 km/h in 3rd gear. (5) Downshift to 1st gear at speed of 20 km/h in 2nd gear.
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Data List No.11
(1) 1st → 2nd → 3rd → 4th → 5th (2) 5th → 4th (3) 4th → 3rd (4) 3rd → 2nd (5) 2nd → 1st
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No shifting from 1st to 2nd, or no shifting from 2nd to
1st
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P1773
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LR solenoid valve system
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P1775
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2ND solenoid valve system
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P1779
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1ST without completion of shifting
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P1780
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2ND without completion of shifting
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No shifting from 2nd to 3rd, or no shifting from 3rd to
2nd
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P1775
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2ND solenoid valve system
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P1776
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OD solenoid valve system
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P1780
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2ND without completion of shifting
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P1781
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3RD without completion of shifting
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No shifting from 3rd to 4th, or no shifting from 4th to
3rd
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P1773
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LR solenoid valve system
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P1777
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RED solenoid valve system
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P1781
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3RD without completion of shifting
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P1782
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4TH without completion of shifting
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No shifting from 4th to 5th, or no shifting from 5th to
4th
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P1774
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UD solenoid valve system
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P1775
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2ND solenoid valve system
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P1782
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4TH without completion of shifting
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P1783
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5TH without completion of shifting
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9
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Selector lever position: N (Must be done on a level
and straight road)
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Selector lever position and vehicle speed
(1) Select R and drive at 10 km/h
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The ration of data list No.5 and No.6 should be the
same as the transmission ratio when reversing
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No shifting
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P1766
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Input shaft speed sensor system
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P1767
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Output shaft speed sensor system
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P1784
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Reverse without completion of shifting
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